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प्रश्न
Name two coloured metal ions.
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उत्तर १
Fe2+, Mn2+
उत्तर २
Cupric (Blue) [Cu2+], Ferric (Yellow) [Fe3+]
संबंधित प्रश्न
Choose the most appropriate answer from the following list of oxides which fit the description
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
Name a weak alkali.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl3
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equations for a Metal that Evolves a Gas Which Burns with a Pop Sound When Boiled with Alkali Solutions.
